Version 4 SHEET 1 1848 740 WIRE 80 -96 -32 -96 WIRE 256 -96 80 -96 WIRE 432 -96 256 -96 WIRE -32 -64 -32 -96 WIRE 256 -64 256 -96 WIRE 80 0 80 -96 WIRE 112 0 80 0 WIRE 432 0 432 -96 WIRE 432 0 400 0 WIRE -32 32 -32 16 WIRE 112 80 80 80 WIRE 432 80 400 80 WIRE -64 160 -96 160 WIRE 16 160 0 160 WIRE 112 160 96 160 WIRE 464 160 400 160 WIRE 608 160 544 160 WIRE 16 240 0 240 WIRE 112 240 80 240 WIRE 608 240 608 160 WIRE 608 240 400 240 WIRE 112 320 80 320 WIRE 432 320 400 320 WIRE 16 400 0 400 WIRE 112 400 96 400 WIRE 432 400 432 384 WIRE 432 400 400 400 WIRE 496 400 432 400 WIRE 608 400 608 240 WIRE 608 400 576 400 WIRE 720 400 608 400 WIRE 816 400 720 400 WIRE 912 400 816 400 WIRE 720 416 720 400 WIRE 816 416 816 400 WIRE 912 416 912 400 WIRE 32 480 0 480 WIRE 112 480 96 480 WIRE 608 480 400 480 WIRE 720 480 720 464 WIRE 720 480 608 480 WIRE 608 496 608 480 WIRE 816 512 816 480 WIRE 912 512 912 496 WIRE 304 560 304 544 WIRE 608 592 608 576 FLAG 304 560 0 FLAG 0 400 0 FLAG -32 32 0 FLAG 816 512 0 FLAG 608 592 0 FLAG 912 512 0 FLAG 912 400 OUT FLAG -32 -96 IN FLAG 80 80 0 FLAG 432 80 0 FLAG 0 480 0 FLAG -96 160 0 FLAG 80 320 0 FLAG 0 240 0 SYMBOL res 112 384 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R1 SYMATTR Value 41.2K SYMBOL voltage -32 -80 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V1 SYMATTR Value 12 SYMBOL ind 480 416 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L1 SYMATTR Value 3.3µ SYMATTR SpiceLine Rser=10m SYMBOL cap 800 416 R0 WINDOW 0 40 17 Left 2 SYMATTR InstName C4 SYMATTR Value 100µ SYMATTR SpiceLine V=6.3 Irms=0 Rser=0.002 Lser=0 SYMBOL res 592 384 R0 SYMATTR InstName R2 SYMATTR Value 1Meg SYMBOL res 592 480 R0 SYMATTR InstName R3 SYMATTR Value 243K SYMBOL cap 704 400 R0 WINDOW 0 32 17 Left 2 SYMATTR InstName C5 SYMATTR Value 4.7p SYMBOL res 896 400 R0 SYMATTR InstName Rload SYMATTR Value 1 SYMBOL cap 96 496 M270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName C1 SYMATTR Value 1n SYMBOL cap 0 144 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C6 SYMATTR Value 330p SYMBOL res 112 144 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R4 SYMATTR Value 6.49K SYMBOL cap 416 320 R0 SYMATTR InstName C2 SYMATTR Value 0.1µ SYMBOL res 560 144 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R5 SYMATTR Value 100K SYMBOL LT8637 256 240 R0 SYMATTR InstName U1 SYMBOL cap 80 224 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C3 SYMATTR Value 1µ TEXT 768 576 Left 2 !.tran 1m startup